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GB2209610B - Smectic liquid crystal devices - Google Patents

Smectic liquid crystal devices

Info

Publication number
GB2209610B
GB2209610B GB8823166A GB8823166A GB2209610B GB 2209610 B GB2209610 B GB 2209610B GB 8823166 A GB8823166 A GB 8823166A GB 8823166 A GB8823166 A GB 8823166A GB 2209610 B GB2209610 B GB 2209610B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
smectic liquid
crystal devices
devices
smectic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB8823166A
Other versions
GB2209610A (en
GB8823166D0 (en
Inventor
Madeline Joan Bradshaw
Edward Peter Raynes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8823166D0 publication Critical patent/GB8823166D0/en
Publication of GB2209610A publication Critical patent/GB2209610A/en
Application granted granted Critical
Publication of GB2209610B publication Critical patent/GB2209610B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
    • C09K19/126—Compounds containing at least one asymmetric carbon atom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
    • C09K19/2021—Compounds containing at least one asymmetric carbon atom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
    • G02F1/1416—Details of the smectic layer structure, e.g. bookshelf, chevron, C1 and C2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
GB8823166A 1986-04-03 1988-04-01 Smectic liquid crystal devices Expired - Lifetime GB2209610B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868608114A GB8608114D0 (en) 1986-04-03 1986-04-03 Smectic liquid crystal devices
PCT/GB1987/000222 WO1987006022A1 (en) 1986-04-03 1987-04-01 Smectic liquid crystal devices

Publications (3)

Publication Number Publication Date
GB8823166D0 GB8823166D0 (en) 1988-11-30
GB2209610A GB2209610A (en) 1989-05-17
GB2209610B true GB2209610B (en) 1990-07-25

Family

ID=10595593

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868608114A Pending GB8608114D0 (en) 1986-04-03 1986-04-03 Smectic liquid crystal devices
GB8823166A Expired - Lifetime GB2209610B (en) 1986-04-03 1988-04-01 Smectic liquid crystal devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868608114A Pending GB8608114D0 (en) 1986-04-03 1986-04-03 Smectic liquid crystal devices

Country Status (11)

Country Link
US (2) US5061047A (en)
EP (1) EP0295266B1 (en)
JP (2) JP2659381B2 (en)
KR (1) KR960011148B1 (en)
CA (1) CA1336643C (en)
DE (1) DE3786015T2 (en)
GB (2) GB8608114D0 (en)
HK (1) HK178696A (en)
MY (1) MY102698A (en)
SG (1) SG142493G (en)
WO (1) WO1987006022A1 (en)

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GB8726996D0 (en) * 1987-11-18 1987-12-23 Secr Defence Multiplex addressing of ferro-electric liquid crystal displays
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DE3909354A1 (en) * 1989-03-22 1990-09-27 Hoechst Ag FERROELECTRIC LIQUID CRYSTAL SYSTEMS HAVING HIGH SPONTANEOUS POLARIZATION AND GOOD ORIENTATION PROPERTIES
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US5539555A (en) * 1990-07-20 1996-07-23 Displaytech, Inc. High contrast distorted helex effect electro-optic devices and tight ferroelectric pitch ferroelectric liquid crystal compositions useful therein
JPH0534697A (en) * 1991-07-25 1993-02-12 Canon Inc Ferroelectric liquid crystal display element
DE69216548T2 (en) * 1991-10-30 1997-07-31 Canon Kk Liquid crystal device and display device
US5172257A (en) * 1991-11-08 1992-12-15 Bell Communications Research, Inc. Twisted ferroelectric liquid crystal modulator for providing gray scale
DE59302475D1 (en) * 1992-02-21 1996-06-13 Hoffmann La Roche Process for the disinclination-free orientation of liquid crystals
JPH05265001A (en) * 1992-03-18 1993-10-15 Canon Inc Ferroelectric liquid crystal element and orientation treatment
EP0661583B1 (en) * 1993-12-28 2002-05-08 Shimadzu Corporation Light modulator using a liquid crystal thick cell
GB9407116D0 (en) * 1994-04-11 1994-06-01 Secr Defence Ferroelectric liquid crystal display with greyscale
GB9417480D0 (en) * 1994-08-31 1994-10-19 Secr Defence Ferroelectric liquid crystal devices
GB2321718A (en) * 1997-01-31 1998-08-05 Nat Science Council LIquid crystal display
KR100607007B1 (en) 1997-10-08 2006-08-01 휴렛-팩커드 컴퍼니(델라웨어주법인) Liquid crystal element and its manufacturing method
KR100519323B1 (en) * 1997-12-04 2005-12-21 엘지전자 주식회사 Flat panel display for using color device of a reversible reaction by heat
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JP2001033747A (en) 1999-07-16 2001-02-09 Nec Corp Liquid crystal display element
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US7253871B2 (en) * 2003-01-09 2007-08-07 University Of Rochester Efficient room-temperature source of polarized single photons
TW200941076A (en) * 2008-03-31 2009-10-01 Ind Tech Res Inst Color cholesteric liquid crystal display devices and fabrication methods thereof

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EP0092181A2 (en) * 1982-04-16 1983-10-26 Hitachi, Ltd. Method for driving liquid crystal element employing ferroelectric liquid crystal
EP0136725A2 (en) * 1983-10-05 1985-04-10 Chisso Corporation Ferroelectric chiral smectic liquid crystal composition and light switching element
EP0138006A2 (en) * 1983-09-17 1985-04-24 MERCK PATENT GmbH Liquid-crystal phase
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EP0091637A2 (en) * 1982-04-05 1983-10-19 Hitachi, Ltd. Liquid crystal display
EP0092181A2 (en) * 1982-04-16 1983-10-26 Hitachi, Ltd. Method for driving liquid crystal element employing ferroelectric liquid crystal
EP0138006A2 (en) * 1983-09-17 1985-04-24 MERCK PATENT GmbH Liquid-crystal phase
EP0136725A2 (en) * 1983-10-05 1985-04-10 Chisso Corporation Ferroelectric chiral smectic liquid crystal composition and light switching element
EP0149398A2 (en) * 1984-01-03 1985-07-24 Thomson-Csf Display device with a memory using a ferroelectric material
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Also Published As

Publication number Publication date
US5061047A (en) 1991-10-29
JP2659381B2 (en) 1997-09-30
SG142493G (en) 1994-10-14
GB2209610A (en) 1989-05-17
JPH07207265A (en) 1995-08-08
GB8823166D0 (en) 1988-11-30
JP2710759B2 (en) 1998-02-10
DE3786015T2 (en) 1993-09-16
EP0295266A1 (en) 1988-12-21
CA1336643C (en) 1995-08-15
JPH01500856A (en) 1989-03-23
USRE37509E1 (en) 2002-01-15
HK178696A (en) 1996-10-04
MY102698A (en) 1992-09-30
DE3786015D1 (en) 1993-07-01
WO1987006022A1 (en) 1987-10-08
KR960011148B1 (en) 1996-08-21
EP0295266B1 (en) 1993-05-26
GB8608114D0 (en) 1986-05-08
KR880701393A (en) 1988-07-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990401